United States. A Second War Army Air Forces (Usaaf) Technical Observer Badge Auction Archive the tunic is lined with

the tunic is lined with a dark tan satin fabric

(Der Stahlhelm Mitgliedsabzeichen)

with the rank of Stoker 2nd Class

he participated in the breaching battery before Copenhagen

(1915-1924 issue)

United States. A Second War Army Air Forces (Usaaf) Technical Observer Badge Auction Archive the tunic is lined withTwo piece construction, insignia secured in place via two pins, in sterling silver, unmarked, measuring 80 mm (w) x 21. 3 mm (h), horizontal pinback, semi dark patina, very light contact, near extremely fine. Footnote: The Technical Observer Badge was primarily awarded to flight engineering personnel assigned to assist the flight engineer.